bufif and nmos/pmos are strength aware
bufif and nmos/pmos are strength aware

The outputs to bufif and nmos/pmos devices are always strength-aware,
so should have their outputs connected to a net8 device.

Signed-off-by: Stephen Williams <9ce5770b3bb4b2a1d59be2d97e34379cd192299f@icarus.com>
CastMi/iverilog,CastMi/iverilog,CastMi/iverilog,themperek/iverilog,themperek/iverilog,themperek/iverilog